Northside Psychology

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

Legal business name

NORTHSIDE PSYCHOLOGY

Practice address

16 Kingsland Rd
Sleepy Hollow, NY 10591-1022

Phone

(213) 444-3633

Fax

(332) 600-8652

NPI assigned

Sep 8, 2025

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Dr. David Mahony, PH.D.NPI 1649226069

Title

Owner

Phone

(718) 668-1919

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• David Mahony, PHD

  • Clinical Psychologist
  • Brooklyn, NY
  • NPI 1649226069
  NPD Authorized official

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1757289600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785801600000",
    "number": "1124909155",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16 KINGSLAND RD",
            "city": "SLEEPY HOLLOW",
            "state": "NY",
            "postal_code": "105911022",
            "telephone_number": "718-668-1919",
            "fax_number": "332-600-8652"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16 KINGSLAND RD",
            "city": "SLEEPY HOLLOW",
            "state": "NY",
            "postal_code": "105911022",
            "telephone_number": "213-444-3633",
            "fax_number": "332-600-8652"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "351 Paseo Nuevo",
            "address_purpose": "LOCATION",
            "city": "Santa Barbara",
            "state": "CA",
            "postal_code": "931013382",
            "country_code": "US",
            "telephone_number": "213-444-3633",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "NORTHSIDE PSYCHOLOGY",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-09-08",
        "last_updated": "2026-08-04",
        "certification_date": "2026-08-04",
        "status": "A",
        "authorized_official_last_name": "MAHONY",
        "authorized_official_first_name": "DAVID",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "718-668-1919",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PH.D."
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychologist, Clinical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nicole S Jackson, Family NP,PC
• Emil J Nigro, MD
• Sherin Mary Ninan, FNP
• Amy Noble
• Dahlia Nolasco, MD
• Richard Anthony Noto, MD
• Alice Marie Novello, PH.D.
• Paul C Nowak, MD
• Jimmy Jose Nunez, DPT
• Johaen Barchinsky Nunez, RN

• Clinical Psychologist in Sleepy Hollow, NY
• Providers in Sleepy Hollow, NY by specialty
• Clinical Psychologist in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.